/**
 * Calendar App
 *
 * @author Raghu Nayyar
 * @author Georg Ehrke
 * @copyright 2016 Raghu Nayyar <hey@raghunayyar.com>
 * @copyright 2016 Georg Ehrke <oc.list@georgehrke.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
app.filter('calendarListFilter', function(CalendarListItem) {
	'use strict';

	return function (calendarListItems) {
		if (!Array.isArray(calendarListItems)) {
			return [];
		}

		return calendarListItems.filter(function(item) {
			if (!CalendarListItem.isCalendarListItem(item)) {
				return false;
			}
			return item.calendar.isWritable();
		});
	};
});
